you need to download it into somewhere on your computer then use winrar or 7-zip which does the exact same thing but is free and install it then right click on the map or mod archive that you downloaded earlier and click extract and choose where you want it then copy the file you extracted and put it into your saves folder inside your .minecraft which is found by entering %appdata% in the search bar at the windows symbol If this helped please vote this post up for me :smile.gif:
how to download map help